Video interview. Torchwood: Miracle Day is premiering on July 8 on Starz, and the fourth season of the sci-fi series, starring John Barrowman as Captain Jack Harkness, is addressing what happens when people stop dying on Earth. That's right—what if everyone suddenly became immortal?

Torchwood: Miracle Day is premiering on July 8 on Starz, and the fourth season of the sci-fi series, starring John Barrowman as Captain Jack Harkness, is addressing what happens when people stop dying on Earth. That’s right—what if everyone suddenly became immortal?

The BBC confirmed that the new series of Torchwood will be titled Miracle Day a 10 part series that will premiere on July 1. The first episode of The New World will air on the same day in the UK and US.